Remove library kotlin coroutines

Author: mantono

lib/build.gradle.kts

@@ -27,9 +27,6 @@ dependencies {
     // Use the Kotlin JDK 8 standard library.
     implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
 
-    // Use Kotlin coroutines
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4")
-
     // Use the Kotlin test library.
     testImplementation("org.jetbrains.kotlin:kotlin-test")
     testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.4")